@book{87559,
	author = {Universitas Sumatera Utara.},
	title = {Buku peringatan dies natalis U.S. U., Medan.},
	publisher = {Biro Rektor U.S.U.},
	year = {[1967-},
	address = {[Medan]},
	note = {Indonesian or English, with summary in English.}
}